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- • • III IIII I IIIIIIIIIII <br />Cyprus Yampa valley Coal Corporation <br />K3 f~/~p77~ 29567 Routt County Road #27 <br />..!! Y ~ ri1Y Oak Creek, Colorado 60467 <br />~ Yampa Valley 303-879-3800 <br />1 <br />I <br />March 4, 1992 <br />r: - <br />i Kent Gorham vlAte i ~ 199c <br />Reclamation Specialist <br />Mined Land Reclamation Division ti1ined Land <br />1313 Sherman Street, Room 215 ~^ ^' 1 <br />-- Denver, CO 80203 <br />Dear Mr. Gorham; <br />I <br />Re: Annual Hvdroloaic Monitorincx Report, 1991 Water Year: Permit <br />-~ No. C-84-062, Mine No. 3, Colorado Yampa Coal Company <br />Enclosed please find the above-referenced AHR for water-year 1991. <br />Please note that the discussion of results and trends was prepared <br />__ for Cyprus by Applied Hydrology Associates, inc. of Denver <br />Colorado. This review and discussion has indicated no major <br />~ impacts or concerns associated with Mine 3 at this time. Please <br />also note that, as discussed with the Division in October 1991, <br />only three full suite samples were collected at Site 900 due to the <br />_ lack of flow during August, September, and October. This lack of <br />a fourth full-suite analysis arose due to a lack of flow during our <br />.. normal collection period for the fourth full-suite sample on stream <br />sites, and could not be anticipated at the time. The 1992 sampling <br />schedule has subsequently been modified to avoid similar situations <br />in the future. <br />_ Should you have any questions or comments, please contact me at <br />your convenience. <br />r <br />Sincerely, <br />y /~~ ~. /~~'. <br />Marcus .~ f+fidd~ ~n <br />- Environmental Specialist <br />MAI"I\~\Pe\dg <br />Enclosures <br />